package edu.zut.cs.software.perfect.grade.service;

import java.util.List;
import java.util.Optional;

import edu.zut.cs.software.perfect.base.service.GenericManager;
import edu.zut.cs.software.perfect.grade.domain.StudentGrade;


/**
 * @ClassName couseGradeManager
 * @Description TODO
 * @Author zhangwenkai
 * @Date 2020年4月5日 下午5:40:54
 * @Version 1.0
 */
public interface StudentGradeManager extends GenericManager<Long, StudentGrade>{

	List<StudentGrade> findAll();
	Optional<StudentGrade> findByCourseId(Long courseId);
	Boolean deleteById(Long courseId);
}
